Faults, Causes and Repair
52
-no supply voltage
(possibly too low)
-r.c.c.b tripped
-check
-switch on
-extension of upper arm
not possible
-upper arm in transport
support
-lift up for a short time
-upper arm not lifted up
far enough
-lift up upper arm
-lowering of upper arm
not possible
-upper arm not above
carriage
-turn upper arm to-
ward carriage